MLB Daily DeltaWeek 15 · July 4, 2026
Portrait of Gavin Collyer
Gavin Collyer
TEX · P
Change to
Portrait of Luis Medina
Luis Medina
ATH · P
Change to
Who's more valuable, rest of season

Gavin Collyer.

He projects to help you in more roto categories the rest of the way — ERA and WHIP. Luis Medina’s box score looks better right now, but the luck-stripped projection flips it.

Head-to-head
K
ERA
WHIP
W
SV n/a

Gavin Collyer wins 2 categories (ERA, WHIP); Luis Medina wins 1 (K); 1 even; SV n/a.

04

Under the hood

Underlying skill — each value vs league avg
Fastball Velolg 94.0 · higher = better
Gavin Collyer
97.4
Luis Medina
97.3
Swinging-Strike %lg 11.0% · higher = better
Gavin Collyer
8.9%
Luis Medina
13.3%
Strikeout %lg 22.0% · higher = better
Gavin Collyer
20.0%
Luis Medina
27.5%
Chase %lg 28.5% · higher = better
Gavin Collyer
21.5%
Luis Medina
24.1%
Hard-Hit % Allowedlg 40.0% · lower = better
Gavin Collyer
28.9%
Luis Medina
39.8%
Barrel % Allowedlg 8.0% · lower = better
Gavin Collyer
2.2%
Luis Medina
7.8%
xwOBA Allowedlg .315 · lower = better
Gavin Collyer
.323
Luis Medina
.315
stabilized — trust it · small sample yet · dashed = league avg · right = better
05

The tape

Rest-of-season projection · bold = leads
rest-of-season projection current season projection range
Rate · earned-run quality
ERAlower is better
Gavin Collyer
2.544.06
lg xERA 4.10
now 3.71
3.70
Luis Medina
2.544.06
lg xERA 4.10
now 2.88
3.72
WHIPlower is better
Gavin Collyer
1.121.49
now 1.41
1.24
Luis Medina
1.121.49
now 1.20
1.25

Volume · rest of season
Strikeoutshigher is better
Gavin Collyer
4032.60
now 15
22
Luis Medina
4032.60
now 27
27
Winshigher is better
Gavin Collyer
.5202.48
now 1
12
Luis Medina
.5202.48
now 1
12

SV — not applicable. Both pitch out of the rotation.

If you already own them — trade angle
Sell HighGavin Collyer — sell high. His value is peaking; good time to trade him.conf 0.89
Hold · wait & seeLuis Medina — hold.conf 0.50
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